public aspect AConstructorAspect {
 /**
     * 定义切点:cn.xzc.a.pojo.Teacher类构造器初始化时
     */
    pointcut userServiceConstructorExecution(): initialization(cn.xzc.a.pojo.Teacher.new(..));
    after(): userServiceConstructorExecution() {
        System.out.println("构造器初始化完成");
    }

}
